用几个形容词（英语）描述狗的特征及象征意义要让大家通过这几个词来猜出是什么动物,不要外貌特征

look after the house （看家）
to bark (吠）
friendlyto people (对人很友好）

faithfu to their masters.
keep the door for their masters
“eyes”of the blind
smell to the uncover illegal drugs

loyal to their master
faithful
enthusiastic
loving
friendly and kind
furry and warm
lovely
energetic
friend of human being
great doorkeeper